package com.sp.standard;

import java.util.Scanner;

public class InputAndOutput {
    public static void main(String[] args) {
        //System类的public final static InputStream in = null;属性
        //其编译类型是 InputStream
        //其运行类型是 BufferedInputStream
        //表示标准输入
        System.out.println(System.in.getClass());

        //System类的public final static PrintStream out = null;属性
        //其编译类型是 PrintStream
        //其运行类型是 PrintStream
        //表示标准输出
        System.out.println(System.out.getClass());

        System.out.println("sp_newbee");
        Scanner scanner = new Scanner(System.in);



    }
}
